<template>
    <div class="chat">
        <el-upload
            class="upload-demo"
            action="http://127.0.0.1:8000/api/txtUpload/"
            multiple
            :limit="3"
            :on-exceed="handleExceed"
            :file-list="fileList">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
        </el-upload>
    </div>
</template>
<script>
  export default {
    data() {
      return {
        fileList: []
      };
    },
    methods: {
      handleExceed(files, fileList) {
        this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
      },
    }
  }
</script>